A comparison of methods for the measurement of the particle-size distribution of magnetic nanoparticles

A comparison of methods for the measurement of the particle-size distribution of magnetic nanoparticles

Recently, interest in magnetic particles, particularly in the nanometre‐size range, has increased significantly. The main driving forces behind this interest are both the development of improved synthesis techniques and an increase in the number of potential applications for suitable magnetic nanopa...

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Bibliographic Details
Published in:Journal of applied crystallography Vol. 40; no. s1; pp. s495 - s500
Main Authors: Woodward, R. C., Heeris, J., St. Pierre, T. G., Saunders, M., Gilbert, E. P., Rutnakornpituk, M., Zhang, Q., Riffle, J. S.
Format: Journal Article
Language:English
Published: 5 Abbey Square, Chester, Cheshire CH1 2HU, England Blackwell Publishing Ltd 01-04-2007
Subjects:
Comparative analysis
Crystallography
ferrofluids
Langevin fitting
magnetic nanoparticles
Magnetism
magnetite
Measurement techniques
Nanoparticles
SANS
superparamagnetism
TEM
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Summary:Recently, interest in magnetic particles, particularly in the nanometre‐size range, has increased significantly. The main driving forces behind this interest are both the development of improved synthesis techniques and an increase in the number of potential applications for suitable magnetic nanoparticles. A critical factor of interest in both the synthesis and the development of applications is the particle‐size distribution. In this paper, we investigate three common techniques for determining the particle‐size distribution of magnetic nanoparticles (electron microscopy, magnetic measurements and small‐angle neutron scattering). We compare the distributions determined by each technique for two standard samples and discuss their advantages, disadvantages and limitations.
Bibliography:istex:66B315B6F8F22952D70E76E0194EEF5150A8F920
ArticleID:JCRKS6006
ark:/67375/WNG-ZRFPT2V8-3
ISSN:1600-5767
0021-8898
1600-5767
DOI:10.1107/S002188980700091X